FDA Investigator

John Dan

Latest inspection on record: Gaithersburg, United States, July 2021 · records back to 2008

Foods & CosmeticsHuman DrugsMedical Devices & Rad HealthBiologicsAnimal Drugs & Feeds

FDA inspection record · Last updated July 12, 2026

Overview

  • 460 inspections across 358 sites are on record.
  • 516 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2021-07-08.

At a glance

Inspections

460

Sites

358

Observations

516

Career since

Jan 2008

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Leadiant Biosciences, Inc.8 Jul 2021Human DrugsView 483 →
SoBran, Inc.4 Jun 2021Biologics
Roberto Salvatori, M.D.13 May 2021Human DrugsView 483 →
Ira D. Papel MD21 Apr 2021Medical Devices & Rad Health
Robert S. Call , M.D.25 Mar 2021Human DrugsView 483 →

Sites inspected

Leadiant Biosciences, Inc.Gaithersburg, United States1 insp.
SoBran, Inc.Falls Church, United States1 insp.
Roberto Salvatori, M.D.Baltimore, United States1 insp.
Ira D. Papel MDPikesville, United States1 insp.
Robert S. Call , M.D.Richmond, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind John Dan's 516 observations

Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.

  • New inspections and Form 483s, mapped to the CFR citation
  • Warning letter outcomes, and the citation patterns they repeat
  • Their co-investigators, so no surprises about who shows up on site